发明授权
- 专利标题: Exhaust gas re-circulation arrangement
- 专利标题(中): 废气再循环安排
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申请号: US09459243申请日: 1999-12-10
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公开(公告)号: US06216459B1公开(公告)日: 2001-04-17
- 发明人: Helmut Daudel , Helmut Finger , Erwin Schmidt , Siegfried Sumser
- 申请人: Helmut Daudel , Helmut Finger , Erwin Schmidt , Siegfried Sumser
- 优先权: DE19857234 19981211
- 主分类号: F02M2507
- IPC分类号: F02M2507
摘要:
In an exhaust gas re-circulation arrangement for a supercharged internal combustion engine including an exhaust gas turbocharger with an exhaust gas turbine and a compressor, first and second exhaust pipes extending from the engine separately to the exhaust gas turbine, a charge air duct extending from the compressor to the engine and an exhaust gas recirculation line extending from one of the exhaust pipes upstream of the exhaust gas turbine to the charge air duct downstream of the compressor, the exhaust gas turbine has two turbine inlet flow passages, which provide for different flow volumes and to each of which one of the exhaust pipes is connected and a control arrangement is provided for controlling the exhaust gas flow through the turbine inlet flow passages so as to control the pressure in the exhaust gas re-circulation line to be higher than in the charge air intake duct.
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